Equipment unit · VIN-decoded · NHTSA vPIC

2005 Peterbilt 387

1XP7DB9X05D878816 · Truck-Tractor · TRUCK
Carriers run under3
24 mo
Inspections4
all-time
OOS inspections0
of 4
First seenJan 19, 2024
OK
Last seenJan 12, 2026
OK
Inspected under 3 different carriers in 24 months
A unit that bounces between many operators can indicate slip-seating, heavy sub-haul, or double-brokering. Review the carrier timeline below for load integrity — context for human judgment, not a verdict.
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1XP7DB9X05D878816
Make
Peterbilt
Model
387
Model year
2005
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jul 12, 2026
vPIC returns make / model / year / body class / GVWR. Fields it does not resolve are shown as Not decoded rather than guessed.
Decode evidence & sources

Deterministic structure

These fields come directly from VIN positions and the published checksum calculation, with zero store IO.

World manufacturer identifier
1XP

Deterministic · VIN positions 1–3.

Vehicle descriptor section
7DB9X

Deterministic · VIN positions 4–8.

Check digit
0 · valid

Deterministic · position 9; calculated value 0.

Model year candidates
2005 or 2035

Position 10 repeats every 30 years; both candidates are retained and neither is silently selected.

North American serial sequence
878816

Deterministic · positions 12–17 for a North American WMI.

Sourced platform inference

The prefix store publishes only at support ≥ 3 and purity ≥ 90%. Prefix confidence is shown beside every established platform claim.

Make
PETERBILT

Prefix basis · 812 decoded VINs at 100.0% prefix purity.

Model
387

Prefix basis · 812 decoded VINs at 100.0% prefix purity.

Model line
Not established

No sourced model-line label is established.

No source established for this field.

Generation
Not established

No sourced generation label is established.

No source established for this field.

Cab type
Not established

No sourced cab label is established.

No source established for this field.

Federal observation (NHTSA vPIC)

What the federal corpus observed directly for this exact VIN — independent of, and sometimes more specific than, the prefix-level inference above.

Observed model year
2005

Observed directly for this VIN via NHTSA vPIC.

Observed make
PETERBILT

Observed directly for this VIN via NHTSA vPIC.

Observed model
387

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Truck-Tractor

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
TRUCK

Observed directly for this VIN via NHTSA vPIC.

GVWR
Class 8: 33,001 lb and above (14,969 kg and above)

Observed directly for this VIN via NHTSA vPIC.

Not established

  • model line
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Jan 19, 2024 – Jan 12, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jan 12, 2026OKII · Walk-around8RED ROCK TRANSPORTATION COMPANY 15634693MB949/OK
Sep 11, 2025KSII · Walk-around2RED ROCK TRANSPORTATION COMPANY 15634693MB949Q/OK
Jul 2, 2024OKII · Walk-around1DOC TRANSPORTATION LLC 7531313KK634/OK
Jan 19, 2024OKII · Walk-around0UNITED PETROLEUM TRANSPORTS INC 1850403KB787/OK
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
RED ROCK TRANSPORTATION COMPANY1563469Sep 11, 2025Jan 12, 20262OK
DOC TRANSPORTATION LLC753131Jul 2, 2024Jul 2, 20241OK
UNITED PETROLEUM TRANSPORTS INC185040Jan 19, 2024Jan 19, 20241OK
Names are left-joined from the FMCSA census; a DOT with no census match falls back to its number.
04

Plate & unit-number history

The same truck under different plate registrations across carriers

PlateState / prov.Unit no.CarrierDate rangeInsp.
3MB949OKRED ROCK TRANSPORTATION COMPANYJan 12, 2026Jan 12, 20261
3MB949QOKRED ROCK TRANSPORTATION COMPANYSep 11, 2025Sep 11, 20251
3KK634OKDOC TRANSPORTATION LLCJul 2, 2024Jul 2, 20241
3KB787OKUNITED PETROLEUM TRANSPORTS INCJan 19, 2024Jan 19, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 12, 2026